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-rw-r--r--rt/tst-cpuclock1.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/rt/tst-cpuclock1.c b/rt/tst-cpuclock1.c
deleted file mode 100644
index 024df63141..0000000000
--- a/rt/tst-cpuclock1.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/* Test program for process CPU clocks.
-   Copyright (C) 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <signal.h>
-#include <sys/wait.h>
-
-/* This function is intended to rack up both user and system time.  */
-static void
-chew_cpu (void)
-{
-  while (1)
-    {
-      static volatile char buf[4096];
-      for (int i = 0; i < 100; ++i)
-	for (size_t j = 0; j < sizeof buf; ++j)
-	  buf[j] = 0xaa;
-      int nullfd = open ("/dev/null", O_WRONLY);
-      for (int i = 0; i < 100; ++i)
-	for (size_t j = 0; j < sizeof buf; ++j)
-	  buf[j] = 0xbb;
-      write (nullfd, (char *) buf, sizeof buf);
-      close (nullfd);
-      if (getppid () == 1)
-	_exit (2);
-    }
-}
-
-static int
-do_test (void)
-{
-  int result = 0;
-  clockid_t cl;
-  int e;
-  pid_t dead_child, child;
-
-  /* Fork a child and let it die, to give us a PID known not be valid
-     (assuming PIDs don't wrap around during the test).  */
-  {
-    dead_child = fork ();
-    if (dead_child == 0)
-      _exit (0);
-    if (dead_child < 0)
-      {
-	perror ("fork");
-	return 1;
-      }
-    int x;
-    if (wait (&x) != dead_child)
-      {
-	perror ("wait");
-	return 2;
-      }
-  }
-
-  /* POSIX says we should get ESRCH for this.  */
-  e = clock_getcpuclockid (dead_child, &cl);
-  if (e != ENOSYS && e != ESRCH && e != EPERM)
-    {
-      printf ("clock_getcpuclockid on dead PID %d => %s\n",
-	      dead_child, strerror (e));
-      result = 1;
-    }
-
-  /* Now give us a live child eating up CPU time.  */
-  child = fork ();
-  if (child == 0)
-    {
-      chew_cpu ();
-      _exit (1);
-    }
-  if (child < 0)
-    {
-      perror ("fork");
-      return 1;
-    }
-
-  e = clock_getcpuclockid (child, &cl);
-  if (e == EPERM)
-    {
-      puts ("clock_getcpuclockid does not support other processes");
-      goto done;
-    }
-  if (e != 0)
-    {
-      printf ("clock_getcpuclockid on live PID %d => %s\n",
-	      child, strerror (e));
-      result = 1;
-      goto done;
-    }
-
-  const clockid_t child_clock = cl;
-  struct timespec res;
-  if (clock_getres (child_clock, &res) < 0)
-    {
-      printf ("clock_getres on live PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-      result = 1;
-      goto done;
-    }
-  printf ("live PID %d clock %lx resolution %lu.%.9lu\n",
-	  child, (unsigned long int) child_clock, res.tv_sec, res.tv_nsec);
-
-  struct timespec before, after;
-  if (clock_gettime (child_clock, &before) < 0)
-    {
-      printf ("clock_gettime on live PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-      result = 1;
-      goto done;
-    }
-  printf ("live PID %d before sleep => %lu.%.9lu\n",
-	  child, before.tv_sec, before.tv_nsec);
-
-  struct timespec sleeptime = { .tv_nsec = 500000000 };
-  nanosleep (&sleeptime, NULL);
-
-  if (clock_gettime (child_clock, &after) < 0)
-    {
-      printf ("clock_gettime on live PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-      result = 1;
-      goto done;
-    }
-  printf ("live PID %d after sleep => %lu.%.9lu\n",
-	  child, after.tv_sec, after.tv_nsec);
-
-  struct timespec diff = { .tv_sec = after.tv_sec - before.tv_sec,
-			   .tv_nsec = after.tv_nsec - before.tv_nsec };
-  if (diff.tv_nsec < 0)
-    {
-      --diff.tv_sec;
-      diff.tv_nsec += 1000000000;
-    }
-  if (diff.tv_sec != 0
-      || diff.tv_nsec > 600000000
-      || diff.tv_nsec < 100000000)
-    {
-      printf ("before - after %lu.%.9lu outside reasonable range\n",
-	      diff.tv_sec, diff.tv_nsec);
-      result = 1;
-    }
-
-  sleeptime.tv_nsec = 100000000;
-  e = clock_nanosleep (child_clock, 0, &sleeptime, NULL);
-  if (e == EINVAL || e == ENOTSUP || e == ENOSYS)
-    {
-      printf ("clock_nanosleep not supported for other process clock: %s\n",
-	      strerror (e));
-    }
-  else if (e != 0)
-    {
-      printf ("clock_nanosleep on other process clock: %s\n", strerror (e));
-      result = 1;
-    }
-  else
-    {
-      struct timespec afterns;
-      if (clock_gettime (child_clock, &afterns) < 0)
-	{
-	  printf ("clock_gettime on live PID %d clock %lx => %s\n",
-		  child, (unsigned long int) child_clock, strerror (errno));
-	  result = 1;
-	}
-      else
-	{
-	  struct timespec d = { .tv_sec = afterns.tv_sec - after.tv_sec,
-				.tv_nsec = afterns.tv_nsec - after.tv_nsec };
-	  if (d.tv_nsec < 0)
-	    {
-	      --d.tv_sec;
-	      d.tv_nsec += 1000000000;
-	    }
-	  if (d.tv_sec > 0
-	      || d.tv_nsec < sleeptime.tv_nsec
-	      || d.tv_nsec > sleeptime.tv_nsec * 2)
-	    {
-	      printf ("nanosleep time %lu.%.9lu outside reasonable range\n",
-		      d.tv_sec, d.tv_nsec);
-	      result = 1;
-	    }
-	}
-    }
-
-  if (kill (child, SIGKILL) != 0)
-    {
-      perror ("kill");
-      result = 2;
-      goto done;
-    }
-
-  /* Wait long enough to let the child finish dying.  */
-
-  sleeptime.tv_nsec = 200000000;
-  nanosleep (&sleeptime, NULL);
-
-  struct timespec dead;
-  if (clock_gettime (child_clock, &dead) < 0)
-    {
-      printf ("clock_gettime on dead PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-      result = 1;
-      goto done;
-    }
-  printf ("dead PID %d => %lu.%.9lu\n",
-	  child, dead.tv_sec, dead.tv_nsec);
-
-  diff.tv_sec = dead.tv_sec - after.tv_sec;
-  diff.tv_nsec = dead.tv_nsec - after.tv_nsec;
-  if (diff.tv_nsec < 0)
-    {
-      --diff.tv_sec;
-      diff.tv_nsec += 1000000000;
-    }
-  if (diff.tv_sec != 0 || diff.tv_nsec > 200000000)
-    {
-      printf ("dead - after %lu.%.9lu outside reasonable range\n",
-	      diff.tv_sec, diff.tv_nsec);
-      result = 1;
-    }
-
-  /* Now reap the child and verify that its clock is no longer valid.  */
-  {
-    int x;
-    if (waitpid (child, &x, 0) != child)
-      {
-	perror ("waitpid");
-	result = 1;
-      }
-  }
-
-  if (clock_gettime (child_clock, &dead) == 0)
-    {
-      printf ("clock_gettime on reaped PID %d clock %lx => %lu%.9lu\n",
-	      child, (unsigned long int) child_clock,
-	      dead.tv_sec, dead.tv_nsec);
-      result = 1;
-    }
-  else
-    {
-      if (errno != EINVAL)
-	result = 1;
-      printf ("clock_gettime on reaped PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-    }
-
-  if (clock_getres (child_clock, &dead) == 0)
-    {
-      printf ("clock_getres on reaped PID %d clock %lx => %lu%.9lu\n",
-	      child, (unsigned long int) child_clock,
-	      dead.tv_sec, dead.tv_nsec);
-      result = 1;
-    }
-  else
-    {
-      if (errno != EINVAL)
-	result = 1;
-      printf ("clock_getres on reaped PID %d clock %lx => %s\n",
-	      child, (unsigned long int) child_clock, strerror (errno));
-    }
-
-  return result;
-
- done:
-  {
-    if (kill (child, SIGKILL) != 0 && errno != ESRCH)
-      {
-	perror ("kill");
-	return 2;
-      }
-    int x;
-    if (waitpid (child, &x, 0) != child && errno != ECHILD)
-      {
-	perror ("waitpid");
-	return 2;
-      }
-  }
-
-  return result;
-}
-
-
-#define TIMEOUT 5
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-03 14:42:29 +0000